Remove obsolete .cvsignore files. * .cvsignore, doc/.cvsignore, lib/.cvsignore, lib/am/.cvsignore, lib/Automake/.cvsignore, lib/Automake/tests/.cvsignore, m4/.cvsignore, tests/.cvsignore: Files deleted. Even when using savannah's CVS readonly mirror there's no way to commit back to the real repository, so this files are not worth maintaining or keeping around.